books.google.com - How many DNA testing companies will show you how to interpret DNA test results for family history or direct you to instructional materials after you have had your DNA tested? Choose a company based on previous customer satisfaction, number of markers tested, and whether the company gives you choices...http://books.google.com/books/about/How_to_Interpret_Family_History_Ancestry.html?id=7-Jg8CjzENMC&utm_source=gb-gplus-shareHow to Interpret Family History & Ancestry DNA Test Results for Beginners